Table 3. Clinical illness in Alaskan and northern Canadian children and adults with invasive Haemophilus influenzae type a disease, 2000–2005*.

Diagnosis	Alaska (n = 11)			Northern Canada (n = 31)			North American Arctic (n = 42)
	Children (n = 7), no. (%)	Adults (n = 4), no. (%)		Children (n = 27), no. (%)	Adults (n = 4), no. (%)		Children (n = 34), no. (%)	Adults (n = 8), no. (%)
Meningitis	2 (29)	0		12 (44)	0		14 (41)	0
Pneumonia	3 (43)	3 (75)		4 (15)	2 (50)		7 (21)	5 (62)
Bacteremia	0	1 (25)		6 (22)	1 (25)		6 (18)	2 (25)
Septic arthritis	2 (29)	0		3 (11)	0		5 (15)	0
Other†	0	0		2 (8)	1 (25)		2 (3)	1 (13)

*Children, <18 years of age; adults, >18 years of age.
†Includes osteomyelitis (1 child), pericarditis (1 adult), and cellulitis (1 child).